1. It's the big-screen realization of a concept originated in 1959
  2. Jared Leto's Joker
  3. It's going "all in" on magic, razor boomerangs, crocodile skin, Will Smith, and ... um ... ropes
  4. Viola Davis playing Amanda Waller, aka "The Wall"
  5. It does not suffer the baggage and preconceived notions of its DC counterparts, which makes it unpredictable